Phenomenological model of SGR giant flare

A. A. Gvozdev, I. S. Ognev
Division of Theoretical Physics, P. G. Demidov Yaroslavl State University, Yaroslavl, Russia

Giant flare of SGR is investigated in the framework of model, which is based on a nuclear explosion in the neutron star (NS) crust due to the chain fission reactions of a superheavy nuclei. During the starquake in the NS crust this matter becomes unstable, explodes and creates a plasma in the NS magnetosphere. Dominant reactions of the neutrino cooling are investigated in detail. It's shown, that the assumption about a strong NS magnetic field is necessary in the case of a high efficiency nuclei burning, whereas a low effeciency is not needed for magnetic field for the agreement with observation data.


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